The study of modern and obsolete pesticides in groundwater of Republic of Moldova
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2021-09-01 19:06
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BOGDEVICH, Oleg; ENE, Antoaneta; CADOCHNIKOV, Oleg; JELEAPOV, Victor; NICOARA, Igor; NICOLAU, Elena; CULÎGHIN, Elena; GRIGORAŞ, Marina. The study of modern and obsolete pesticides in groundwater of Republic of Moldova. In: Environmental Toxicants in Freshwater and Marine Ecosystems in the Black Sea Basin BSB27-MONITOX. 8-11 septembrie 2020, Kavala. Kavala, Greece: International Hellenic University,, 2020, p. 21.
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Environmental Toxicants in Freshwater and Marine Ecosystems in the Black Sea Basin 2020
Conferința "Environmental Toxicants in Freshwater and Marine Ecosystems in the Black Sea Basin"
Kavala, Greece, 8-11 septembrie 2020

The study of modern and obsolete pesticides in groundwater of Republic of Moldova


Pag. 21-21

Bogdevich Oleg12, Ene Antoaneta2, Cadochnikov Oleg1, Jeleapov Victor1, Nicoara Igor1, Nicolau Elena3, Culîghin Elena1, Grigoraş Marina3
 
1 Institute of Geology and Seismology,
2 University "Dunarea de Jos", Galati,
3 Institute of Chemistry
 
Proiect:
BSB27

MONITOX - Black Sea Basin interdisciplinary cooperation network for sustainable joint monitoring of environmental toxicants migration, improved evaluation of ecological state and human health impact of harmful substances, and public exposure prevention”


 
Disponibil în IBN: 2 decembrie 2020


Rezumat

Water Management Plan of Danube-Prut-Black Sea basin in Republic of Moldova included a groundwater component according to Water Framework Directive (WFD). Seven principal aquifers were delineated into eleven groundwater bodies (GWB). Every GWB were characterized for their quantity and quality parameters. The new monitoring sites were proposed for GWBs, which have no monitoring points. The groundwater quality analysis included major ions, heavy metals, modern and obsolete (POPs) pesticides. GC/MS technology was used for the pesticide determination. The used method for the pesticide determination was validated and proposed for the implementation in the national monitoring programs. The obtained results showed an absence of POPs substances in groundwater samples. Several modern pesticides and trifluraline were determined in GWBs for shallow aquifers in springs and shallow wells. The conclusion is that deep GWBs have no a contamination affect from point and diffuse pollution sources. The shallow GWBs affected slightly from diffuse pollution as a result of the agriculture production in the vegetation season. The local shallow groundwater contamination is indicated also near contaminated sites.

Acknowledgement: We acknowledge the funding from ENI project with
eMS code BSB27 MONITOX (2018-2021), Joint Operational Programme
Black Sea Basin 2014-2020.